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Fed [463]
2 years ago
14

Plugin y=-5 into either equation and solve for x -6x-8y=-20 or x+y=5

Mathematics
2 answers:
Ludmilka [50]2 years ago
7 0

Answer:

x = 10

Step-by-step explanation:

If you substitute into the second one which is the relatively easier one. You would get:

x + (-5 ) =5

x =5 +5

x= 10

nalin [4]2 years ago
3 0

Answer:

x = 10

Step-by-step explanation:

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Given the figure below, find the values of x and z.
charle [14.2K]

Answer:

I think z = 89 and I don’t know x

8 0
3 years ago
95-a(b+c) when a=9, b=3, c =7.4
AleksAgata [21]

Answer:

95-9 (3+7)

95-9 (10)

86 (10)

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Step-by-step explanation:

I hope this was helpful!

God bless you!

6 0
3 years ago
The next model of a sports car will cost 4.4% more that the current model. The current model costs $48,000, How much will the pr
podryga [215]

Answer:

$50,112.  Increase is $2,112

Step-by-step explanation:

1st way.  $48,000 x 1.044 = $50,112.  1.044 is the same thing as saying 104.4% of the total price in decimal form, which is what the new price would be when adding 4.4% to the 100% of the original price.  To get the amount of increase just find the difference in the two.  $50,112-$48,000 = $2,112

2nd way.  $48,000 x .044.  =  $2,112 .044 is 4.4% in decimal form. So you found the increase here.  Add the increase to the original price.  $48,000 + $2,112 to get the new price of $50,112.

7 0
3 years ago
Solve this problem: –282 – (+1,017) = ?
klio [65]
The answer is -1,299
4 0
3 years ago
Read 2 more answers
Solve the system of linear equations by substitution.
Goryan [66]

Answer:

hey! This was the only part of mathematics I ever enjoyed! So consider this both of our lucky days: Answer is : (2,7)

Step-by-step explanation:

basically plug in Y to the first equation as sox + 4(-x + 9) = 30

x - 4x + 36 = 30- 3x = - 6

x = 2

then plug that in to Y!

Y = -(2) + 9

so Y = 7

and our answer is : (2,7)

6 0
3 years ago
Read 2 more answers
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